SIGMA key exchange protocol

E831957

authenticated key exchange protocol cryptographic key exchange protocol security protocol

The SIGMA key exchange protocol is a cryptographic protocol designed to provide secure authenticated key exchange with strong security guarantees and has been widely used as the basis for protocols like IKE in IPsec.

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All labels observed (1)

Label	Occurrences
SIGMA key exchange protocol canonical	1

Statements (48)

Predicate	Object
instanceOf	authenticated key exchange protocol ⓘ cryptographic key exchange protocol ⓘ security protocol ⓘ
addressesWeaknessOf	naive signed Diffie–Hellman ⓘ
considered	a de facto standard design for authenticated Diffie–Hellman protocols ⓘ
designedFor	authenticated key exchange ⓘ key establishment ⓘ mutual authentication ⓘ
developedInField	applied cryptography ⓘ
hasAcronym	SIGMA NERFINISHED ⓘ
hasDesignFeature	identity protection ⓘ protection of identities under passive eavesdropping ⓘ separation of authentication and key confirmation ⓘ sign-then-MAC structure ⓘ support for certificate-based authentication ⓘ support for public-key signatures ⓘ
hasFullName	SIGn-and-MAc key exchange protocol NERFINISHED ⓘ
hasMessageFlow	two-pass Diffie–Hellman exchange with authenticated payloads ⓘ
hasProperty	binds session keys to authenticated identities ⓘ binds session keys to protocol transcript ⓘ supports mutual authentication in standard variants ⓘ supports negotiation of cryptographic algorithms ⓘ supports unilateral authentication in some variants ⓘ
hasSecurityGoal	key indistinguishability ⓘ resistance to reflection attacks ⓘ resistance to replay attacks ⓘ strong security under active attacks ⓘ
hasSecurityModel	provable security in the Bellare–Rogaway style model ⓘ
hasVariant	SIGMA with identity protection ⓘ SIGMA-I NERFINISHED ⓘ SIGMA-R NERFINISHED ⓘ
improvesOn	Station-to-Station (STS) protocol NERFINISHED ⓘ
inspired	Internet Key Exchange (IKE) NERFINISHED ⓘ
providesProperty	explicit entity authentication ⓘ forward secrecy ⓘ resistance to identity misbinding ⓘ resistance to key-compromise impersonation ⓘ resistance to man-in-the-middle attacks ⓘ
relatedTo	Station-to-Station (STS) protocol NERFINISHED ⓘ
usedAsBasisFor	Internet Key Exchange version 1 (IKEv1) NERFINISHED ⓘ Internet Key Exchange version 2 (IKEv2) NERFINISHED ⓘ
usedInContext	IPsec NERFINISHED ⓘ secure channel establishment ⓘ virtual private networks ⓘ
usesPrimitive	Diffie–Hellman key exchange NERFINISHED ⓘ cryptographic hash functions ⓘ digital signatures ⓘ message authentication codes ⓘ

Referenced by (1)

Full triples — surface form annotated when it differs from this entity's canonical label.

Hugo Krawczyk → knownFor → SIGMA key exchange protocol ⓘ